Ted Belanoff
Berkeley
Live, interactive chess lessons from Grandmasters for about $2/hour: https://killerchesstraining.com/
Klubber
Chess.com Legends Club
2.595.443 Medlemmer
USChess
65.868 Medlemmer
USChess - Members Only
3.364 Medlemmer
NM Coach-Bill's Free Video Lessons
45.652 Medlemmer
Chess.com Verified Titled Players
10.226 Medlemmer